Abstract:
An organic light emitting diode display device according to the present invention includes a first electrode on a first substrate including a first region and a second region, the second region substantially surrounding the first region; a pixel separating pattern on the first electrode in the second region; an organic light emitting pattern at least in the first region; a second electrode on the organic light emitting pattern; a contact electrode on the pixel separating pattern, the contact electrode being electrically connected to the second electrode; and a thin film transistor on the second substrate facing the first substrate, the thin film transistor being electrically connected to the contact electrode.
Abstract:
An OLED display includes a data line, a gate line crossing the data line receiving a scan pulse, a high potential (HP) driving voltage (DV) source, a low potential (LP) DV source, a light emitting element (LEE) emitting light from current flowing between the HP DV source and the LP DV source, a drive element (DE) connected between the HP DV source and the LEE controlling a current flowing in the LEE from voltage between a gate electrode (GE) and a source electrode (SE) of the DE, and a driving current stabilization circuit applying a voltage to the GE of the DE turning on the DE and sinking a reference current through the DE, setting a source voltage of the DE at a sensing voltage and modifying voltage between the GE and SE of the DE to scale a current to be applied to the LEE from the reference current.
Abstract:
An OLED display includes a data line, a gate line crossing the data line receiving a scan pulse, a high potential (HP) driving voltage (DV) source, a low potential (LP) DV source, a light emitting element (LEE) emitting light from current flowing between the HP DV source and the LP DV source, a drive element (DE) connected between the HP DV source and the LEE controlling a current flowing in the LEE from voltage between a gate electrode (GE) and a source electrode (SE) of the DE, and a driving current stabilization circuit applying a voltage to the GE of the DE turning on the DE and sinking a reference current through the DE, setting a source voltage of the DE at a sensing voltage and modifying voltage between the GE and SE of the DE to scale a current to be applied to the LEE from the reference current.
Abstract:
Disclosed herein are a light emitting display which can compensate for a threshold voltage of a driving switching element, and a method for driving the same. A light emitting display includes a pixel circuit that outputs a driving current corresponding to a data voltage from a data line using a scan signal, a first driving voltage and a second driving voltage; and a light emitting element that emits light by the driving current from the pixel circuit.
Abstract:
An organic light emitting diode display includes a data line, a gate line that crosses the data line to receive a scan pulse, a high potential driving voltage source to generate a high potential driving voltage, a low potential driving voltage source to generate a low potential driving voltage, a light emitting element to emit light due to a current flowing between the high potential driving voltage source and the low potential driving voltage source, a drive element connected between the high potential driving voltage source and the light emitting element to control a current flowing in the light emitting element depending on a voltage between a gate electrode and a source electrode of the drive element, and a driving current stabilization circuit to apply a first voltage to the gate electrode of the drive element to turn on the drive element and to sink a reference current through the drive element to set a source voltage of the drive element at a sensing voltage and to modify the voltage between the gate and source electrodes of the drive element to scale a current to be applied to the light emitting element from the reference current.
Abstract:
An organic light emitting diode display includes a data line, a gate line that crosses the data line to receive a scan pulse, a high potential driving voltage source to generate a high potential driving voltage, a low potential driving voltage source to generate a low potential driving voltage, a light emitting element to emit light due to a current flowing between the high potential driving voltage source and the low potential driving voltage source, a drive element connected between the high potential driving voltage source and the light emitting element to control a current flowing in the light emitting element depending on a voltage between a gate electrode and a source electrode of the drive element, and a driving current stabilization circuit to apply a first voltage to the gate electrode of the drive element to turn on the drive element and to sink a reference current through the drive element to set a source voltage of the drive element at a sensing voltage and to modify the voltage between the gate and source electrodes of the drive element to scale a current to be applied to the light emitting element from the reference current.
Abstract:
Disclosed herein are a light emitting display which can compensate for a threshold voltage of a driving switching element, and a method for driving the same. A light emitting display includes a pixel circuit that outputs a driving current corresponding to a data voltage from a data line using a scan signal, a first driving voltage and a second driving voltage; and a light emitting element that emits light by the driving current from the pixel circuit.
Abstract:
An organic light emitting diode display device according to the present invention includes a first electrode on a first substrate including a first region and a second region, the second region substantially surrounding the first region; a pixel separating pattern on the first electrode in the second region; an organic light emitting pattern at least in the first region; a second electrode on the organic light emitting pattern; a contact electrode on the pixel separating pattern, the contact electrode being electrically connected to the second electrode; and a thin film transistor on the second substrate facing the first substrate, the thin film transistor being electrically connected to the contact electrode.